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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCSD(T)=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at CCSD(T)=FULL/6-31G**
 hartrees
Energy at 0K-79.595710
Energy at 298.15K-79.601662
HF Energy-79.238135
Nuclear repulsion energy42.281889
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD(T)=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 3099 3099        
2 A1g 1481 1481        
3 A1g 1034 1034        
4 A1u 329 329        
5 A2u 3097 3097        
6 A2u 1453 1453        
7 Eg 3168 3168        
7 Eg 3168 3168        
8 Eg 1555 1555        
8 Eg 1554 1554        
9 Eg 1262 1262        
9 Eg 1262 1262        
10 Eu 3189 3189        
10 Eu 3189 3189        
11 Eu 1560 1560        
11 Eu 1560 1560        
12 Eu 839 839        
12 Eu 839 839        

Unscaled Zero Point Vibrational Energy (zpe) 16819.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16819.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/6-31G**
ABC
2.69468 0.66844 0.66844

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G**

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.764
C2 0.000 0.000 -0.764
H3 0.000 1.017 1.157
H4 -0.881 -0.509 1.157
H5 0.881 -0.509 1.157
H6 0.000 -1.017 -1.157
H7 -0.881 0.509 -1.157
H8 0.881 0.509 -1.157

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52721.09061.09061.09062.17352.17352.1735
C21.52722.17352.17352.17351.09061.09061.0906
H31.09062.17351.76171.76173.08142.52812.5281
H41.09062.17351.76171.76172.52812.52813.0814
H51.09062.17351.76171.76172.52813.08142.5281
H62.17351.09063.08142.52812.52811.76171.7617
H72.17351.09062.52812.52813.08141.76171.7617
H82.17351.09062.52813.08142.52811.76171.7617

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.156 C1 C2 H7 111.156
C1 C2 H8 111.156 C2 C1 H3 111.156
C2 C1 H4 111.156 C2 C1 H5 111.156
H3 C1 H4 107.735 H3 C1 H5 107.735
H4 C1 H5 107.735 H6 C2 H7 107.735
H6 C2 H8 107.735 H7 C2 H8 107.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability